WO2016153029A1 - Actionneur de vibrations - Google Patents

Actionneur de vibrations Download PDF

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Publication number
WO2016153029A1
WO2016153029A1 PCT/JP2016/059591 JP2016059591W WO2016153029A1 WO 2016153029 A1 WO2016153029 A1 WO 2016153029A1 JP 2016059591 W JP2016059591 W JP 2016059591W WO 2016153029 A1 WO2016153029 A1 WO 2016153029A1
Authority
WO
WIPO (PCT)
Prior art keywords
mover
support plane
coil
vibration actuator
vibration
Prior art date
Application number
PCT/JP2016/059591
Other languages
English (en)
Japanese (ja)
Inventor
慎 小田島
昇 生川
片田　好紀
栞 石井
Original Assignee
日本電産コパル株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電産コパル株式会社 filed Critical 日本電産コパル株式会社
Priority to CN201690000598.7U priority Critical patent/CN207746087U/zh
Publication of WO2016153029A1 publication Critical patent/WO2016153029A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Definitions

  • the present invention relates to a vibration actuator.
  • the vibration actuator is a device that transmits a signal generated by the electronic device to the operator or the carrier of the electronic device by vibration, and is installed in various electronic devices such as a portable information terminal including a mobile phone.
  • the vibration actuator is an electromagnetic drive type that vibrates a spring-supported mover by attaching one of a coil and a magnet to the mover side and the other to the stator side, and passing an alternating current of resonance frequency through the coil.
  • Actuators are known. Conventionally, such a vibration actuator is provided with two shafts that extend in the vibration direction and both ends are fixed to the housing, a spring receiving portion through which the shaft passes, and the shaft penetrates. And a weight part connected to the magnet and disposed between the spring receiving part and the housing, and a spring having one end supported by the weight part and the other end supported by the spring receiving part. (See Patent Document 1 below).
  • the above-described conventional vibration actuator obtains stable vibration of the mover in the casing by restricting the vibration of the mover by the two shafts.
  • the vibration actuator is expected as an actuator for realizing haptics (skin sensory feedback), and for that purpose, it is required to generate various modes of vibration.
  • haptics skin sensory feedback
  • the conventional vibration actuator can only obtain simple uniaxial vibration along the shaft, there is a problem that it cannot respond to such a request.
  • the present invention is an example of a problem to deal with such a problem.
  • even a thin and flat mover can enable stable vibration without using two shafts, thereby eliminating the complexity of assembly and realizing various haptics.
  • the vibration actuator according to the present invention has the following configuration.
  • a mover having a weight portion a frame having a support plane, a plurality of rolling elements interposed between the mover and the support plane and held in a freely rolling manner, and the mover and the frame And a plurality of elastic members that elastically support the mover along different directions on the support plane, a magnet fixed to the mover side, and a coil fixed to the support plane side And a plurality of drive units that drive the mover in different directions along the support plane, and the coil has a resonance that is set by the weight of the mover and the elastic coefficient of the elastic member.
  • a vibration actuator, wherein an alternating current having a frequency is input.
  • the vibration actuator of the present invention having such a feature vibrates the mover on the support plane via the rolling elements, so that even a thin and flat mover can be supported without using two shafts. Stable vibration can be obtained along the plane. Since the rolling element does not require precise position adjustment with respect to the mover or the support plane, it is possible to eliminate the complexity of assembly. Since the movable element can be driven in different directions on the support plane to generate various modes of vibration, haptics can be realized.
  • FIG. 1 is an explanatory view of a vibration actuator according to an embodiment of the present invention ((a) is an external plan view, and (b) is an XX cross-sectional view). It is an internal top view (cover open state) of the vibration actuator which concerns on embodiment (1st Embodiment) of this invention.
  • FIG. 3 is an internal plan view of the vibration actuator according to the embodiment of the present invention (first embodiment) ((a) is a state where a mover is removed, and (b) is a diagram showing a drive unit including a coil and a magnet). It is an internal top view (cover open state) of the vibration actuator which concerns on embodiment (2nd Embodiment) of this invention.
  • FIG. 1 is an explanatory view of a vibration actuator according to an embodiment of the present invention ((a) is an external plan view, and (b) is an XX cross-sectional view). It is an internal top view (cover open state) of the vibration actuator which concerns on embodiment (1st Embodiment) of this invention.
  • FIG. 6 is an internal plan view of a vibration actuator according to an embodiment of the present invention (second embodiment) ((a) is a state where a mover is removed, and (b) is a diagram showing a drive unit including a coil and a magnet). It is explanatory drawing which showed the portable electronic device (mobile information terminal) provided with the vibration actuator which concerns on embodiment of this invention.
  • the vibration actuator 1 includes a mover 2, a frame 3, a rolling element 4, an elastic member 5, and a drive unit 6.
  • the mover 2 is a member that vibrates in the frame 3 with a required weight, and includes a weight portion 2A.
  • the mover 2 indicates all members that vibrate integrally with the weight portion 2A.
  • the mover 2 has a flat shape that is large and thin in plan so as to meet the demand for thinning while securing a required weight.
  • the frame body 3 is a member that supports the vibration of the mover 2, and the illustrated example has a box shape including a bottom portion 3A, a cover 3B, and a side wall 3C.
  • a support plane 30 is formed on the bottom 3 ⁇ / b> A, and the mover 2 vibrates along the support plane 30.
  • a plurality of rolling elements 4 are arranged, are interposed between the mover 2 and the support plane 30 and are held so as to be freely rotatable, and can be formed of a spherical body as shown in the figure.
  • the rolling element 4 is movably held by a holding portion 4A provided on the support plane 30.
  • a holding portion 4A may be provided on the movable element 2 side.
  • a plurality of elastic members 5 are arranged, arranged between the mover 2 and the frame 3 and elastically supporting the mover 2 along different directions on the support plane 30.
  • the elastic member 5 has one end attached to the side wall 3C of the frame 3 and the other end attached to the mover 2, thereby elastically supporting the mover 2 that moves in an arbitrary direction on the support plane 30. Yes.
  • the elastic member 5 is the coil springs 5A to 5D
  • the two coil springs 5A and 5B are arranged along one axis direction (axis P1 direction) on the support plane 30, and the other two coil springs 5C, 5D is arranged along the other axis direction (axis P2 direction) on the support plane 30.
  • the axis P1 and the axis P2 here are axes orthogonal to each other on the support plane 30.
  • the drive unit 6 is composed of a combination of a coil 7 and a magnet 8, the coil 7 is fixed to the support plane 30 side of the frame 3, and the magnet 8 is fixed to the mover 2 side.
  • the coil 7 fixed on the support plane 30 is wound along the support plane 30, and a coil 7A in which the linear portion is arranged along the axis P1 described above,
  • the straight portion includes a coil 7B disposed along the axis P2 (axis orthogonal to the axis P1) described above.
  • Each coil end of the coil 7 (7A, 7B) is connected to an input terminal 9A drawn out to the outside of the frame body 3 through wiring of the circuit board 9 arranged on the support plane 30.
  • two magnets 8A and 8B are arranged on the movable element 2 side corresponding to the two coils 7A and 7B, and the first drive unit is composed of the coil 7A and the magnet 8A.
  • 6A is comprised
  • the 2nd drive part 6B is comprised by the coil 7B and the magnet 8B.
  • the magnet 8A has a magnetization direction along the axis P2
  • the magnet 8B has a magnetization direction along the axis P1 orthogonal thereto.
  • the magnet 8 fixed to the mover 2 side and the support plane 30 are set by supporting the mover 2 on the rolling elements 4 arranged on the support plane 30. An interval is maintained, and the coil 7 is disposed within the interval.
  • the support plane 30 as a magnetic material and arranging the yoke 10 on the opposite side of the magnet 8 from the side facing the coil 7, a magnetic flux is formed from the magnet 8 through the linear portion of the coil 7 toward the support plane 30.
  • a driving force (Lorentz force) along the support plane 30 acts on the magnet 8.
  • the direction of the driving force of the first driving unit 6A is the direction of the axis P2
  • the direction of the driving force of the second driving unit 6B is the direction of the axis P1.
  • the mover 2 is attracted to the support plane 30 side by the magnetic attractive force generated between the magnet 8 and the support plane 30 and is separated from the plurality of rolling elements 4. Without vibration, the support plane 30 is vibrated stably.
  • the support plane 30 should just be a magnetic body in the part corresponding to the coil 7.
  • a coil yoke that is a magnetic body may be provided between the support plane 30 and the coil 7.
  • the vibration actuator 1 including the elastic member 5 (coil springs 5A to 5D) and the drive unit 6 (the first drive unit 6A and the second drive unit 6B) has a movable element that receives a current input to the coil 7 of the drive unit 6.
  • Various forms of vibrations can be applied to 2.
  • linear vibrations in different directions are obtained by selectively driving some of the plurality of driving units 6.
  • the current input to the coil 7A of the first drive unit 6A is turned off, and the second drive unit 6B has a resonance frequency set by the weight of the mover 2 and the elastic coefficient of the elastic member 5.
  • linear vibration along the axis P1 can be obtained.
  • an alternating current having a resonance frequency set by the weight of the mover 2 and the elastic coefficient of the elastic member 5 is input to the coil 7A of the first drive unit 6A, and the current input to the second drive unit 6B is turned off.
  • linear vibration along the axis P2 can be obtained.
  • an alternating current having a resonance frequency set by the weight of the mover 2 and the elastic coefficient of the elastic member 5 is applied to each of the coil 7A of the first drive unit 6A and the coil 7B of the second drive unit 6B. Input these AC currents to have the same phase.
  • the movable element 2 can be linearly vibrated in an arbitrary direction on the support plane 30 by arbitrarily setting the effective value of the current input to the coils 7A and 7B.
  • an alternating current having a resonance frequency set by the weight of the mover 2 and the elastic coefficient of the elastic member 5 is applied to each of the coil 7A of the first drive unit 6A and the coil 7B of the second drive unit 6B. Input them and set them as alternating current with phase difference.
  • the movable element 2 can be caused to vibrate circularly or elliptically on the support plane 30 by arbitrarily setting the effective value of the current input to the coils 7A and 7B and arbitrarily setting the phase difference thereof. it can.
  • the vibration actuator 1 appropriately controls the alternating current input to the coils 7A and 7B (the alternating current having the resonance frequency set by the weight of the movable element 2 and the elastic coefficient of the elastic member 5). It is a stable vibration along the support plane 30 and can generate various modes of vibration.
  • the plurality of drive units 6 includes two drive units 6 (first drive unit 6A and second drive unit 6B) that are driven along a uniaxial direction (axis P1 direction), and others that are orthogonal to the uniaxial direction. It consists of two drive parts 6 (3rd drive part 6C, 4th drive part 6D) driven along an axial direction (axis P2 direction).
  • the first drive unit 6A and the second drive unit 6B here are coils 7A and 7B having linear portions along the axis P2 on the support plane 30 and correspondingly along the axis P1 on the support plane 30. Magnets 8A and 8B having a magnetized direction are provided.
  • the third drive unit 6C and the fourth drive unit 6D include coils 7C and 7D having linear portions along the axis P1 on the support plane 30 and correspondingly the axis P2 on the support plane 30. Are provided with magnets 8C and 8D having a magnetizing direction along the axis.
  • the first drive unit 6A and the second drive unit 6B apply a driving force in the same direction (axis P1 direction) to the mover 2, and the third drive unit 6C and the fourth drive unit 6D have the same direction (axis A driving force in the (P2 direction) is applied to the mover 2. Therefore, as in the above-described embodiment, by appropriately controlling the alternating current input to the coils 7A to 7D (the alternating current having the resonance frequency set by the weight of the movable element 2 and the elastic coefficient of the elastic member 5), Various modes of vibration can be obtained.
  • the vibration actuator 1 vibrates the mover 2 through the plurality of rolling elements 4 along the support plane 30, so that the planar movement can be obtained without using a shaft that is difficult to adjust. Stable vibration can be obtained.
  • the magnet 8 is provided on the movable element side and the coil 7 is provided on the support plane 30 side, power supply to the coil 7 can be performed without affecting the vibration.
  • the vibration actuator 1 according to the embodiment of the present invention can be simply assembled by stacking components so that the rolling element 4 is disposed on the support plane 30 of the frame 3 and the movable element 2 is disposed thereon. It becomes possible. Thereby, since precise position adjustment can be omitted, the complexity of assembly can be eliminated.
  • FIG. 6 shows a portable information terminal 100 as an example of an electronic apparatus including the vibration actuator according to the embodiment of the present invention.
  • the portable information terminal 100 including the vibration actuator 1 that can obtain a stable vibration and can be thinned can transmit the incoming and outgoing operations of the communication function and the operation start / end time to the user with a stable vibration.
  • the portable information terminal 100 pursuing high portability or design can be obtained by thinning the vibration actuator 1.
  • the vibration actuator 1 can generate various types of vibrations, it can be transmitted to the user by changing the form of vibration according to the difference in the destination and the type of signal generated. it can.
  • input information and display information on the touch panel can be transmitted to the operator by the difference in vibration.
  • a portable information terminal having a haptic function can be provided by mounting the vibration actuator 1 capable of generating various forms of vibration.
  • the vibration actuator 1 may be mounted on a controller of a game machine or a portable game device. By vibrating the vibration actuator 1 in various modes, the vibration mode can be changed and transmitted to the user as the game progresses.
  • the drive direction of the drive unit 6 is two axes orthogonal to the axes P1 and P2.
  • the axes P1 and P2 may be axes intersecting at an arbitrary angle, and the drive direction Is not limited to two axes, but can be a multi-axis having three or more axes.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

La présente invention a pour objet de rendre possible une vibration stable, même avec un élément mobile de forme plate et mince et d'éliminer, par conséquent, la complexité d'assemblage et de générer diverses formes de vibration qui peuvent donner des formes haptiques. Un actionneur de vibration est équipé : d'un élément mobile (2) comportant une partie poids (2A) ; d'un cadre (3) comportant une surface de support plate (30) ; d'une pluralité de corps rotatifs (4) intercalés entre le corps mobile (2) et la surface de support plate (30) et maintenus de sorte à tourner librement ; d'une pluralité d'éléments élastiques (5) disposés entre l'élément mobile (2) et le cadre (3) et portant de manière élastique l'élément mobile (2) dans différentes directions sur la surface de support plate (30) ; et d'une pluralité d'unités d'entraînement (6) destinées à entraîner l'élément mobile (2) dans différentes directions le long de la surface de support plate (30) avec une combinaison d'un aimant (8) fixé côté élément mobile (2) et d'une bobine (7) fixée côté surface de support plate (30). Un courant alternatif ayant une fréquence de résonance déterminée par le poids de l'élément mobile (2) et le module d'élasticité de l'élément élastique (5) est appliqué à la bobine (7).
PCT/JP2016/059591 2015-03-26 2016-03-25 Actionneur de vibrations WO2016153029A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201690000598.7U CN207746087U (zh) 2015-03-26 2016-03-25 振动致动器和便携式信息终端

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-064812 2015-03-26
JP2015064812A JP2016182569A (ja) 2015-03-26 2015-03-26 振動アクチュエータ

Publications (1)

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WO2016153029A1 true WO2016153029A1 (fr) 2016-09-29

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CN (1) CN207746087U (fr)
WO (1) WO2016153029A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017130936A1 (fr) * 2016-01-29 2017-08-03 日本電産サンキョー株式会社 Actionneur
JP6429100B1 (ja) * 2017-11-17 2018-11-28 エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． リニア振動モータ

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018132249A1 (de) 2017-12-25 2019-06-27 Futaba Corporation Schwingungsenergieerzeuger
CN113396532B (zh) * 2019-02-05 2024-09-10 株式会社村田制作所 振子支承构造、振动马达以及电子设备
CN112018991B (zh) * 2019-05-31 2023-01-10 日本电产三协株式会社 致动器及触觉设备

Citations (10)

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Publication number Priority date Publication date Assignee Title
JPS59193177A (ja) * 1983-04-15 1984-11-01 株式会社国際機械振動研究所 ２軸振動発生機
JPH06197509A (ja) * 1992-12-25 1994-07-15 Copal Electron Co Ltd 揺動型アクチュエータ
JP2008067519A (ja) * 2006-09-07 2008-03-21 Tamron Co Ltd アクチュエータ、及びそれを備えたレンズユニット、カメラ
JP2008125289A (ja) * 2006-11-14 2008-05-29 Matsushita Electric Works Ltd アクチュエータ
WO2009054251A1 (fr) * 2007-10-25 2009-04-30 Sanyo Electric Co., Ltd. Appareil de génération de puissance
WO2010050285A1 (fr) * 2008-10-28 2010-05-06 三洋電機株式会社 Moteur linéaire et dispositif mobile à moteur linéaire
US20110133577A1 (en) * 2008-08-18 2011-06-09 In Ho Lee Horizontal linear vibration device
US20130200732A1 (en) * 2012-02-07 2013-08-08 Lg Electronics Inc. Vibration motor and mobile terminal having the same
WO2014207842A1 (fr) * 2013-06-26 2014-12-31 富士通株式会社 Dispositif d'activation, dispositif électronique, et programme de commande d'activation
WO2015023670A1 (fr) * 2013-08-13 2015-02-19 Coactive Drive Corporation Guidage haptique différentiel pour navigation personnelle

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193177A (ja) * 1983-04-15 1984-11-01 株式会社国際機械振動研究所 ２軸振動発生機
JPH06197509A (ja) * 1992-12-25 1994-07-15 Copal Electron Co Ltd 揺動型アクチュエータ
JP2008067519A (ja) * 2006-09-07 2008-03-21 Tamron Co Ltd アクチュエータ、及びそれを備えたレンズユニット、カメラ
JP2008125289A (ja) * 2006-11-14 2008-05-29 Matsushita Electric Works Ltd アクチュエータ
WO2009054251A1 (fr) * 2007-10-25 2009-04-30 Sanyo Electric Co., Ltd. Appareil de génération de puissance
US20110133577A1 (en) * 2008-08-18 2011-06-09 In Ho Lee Horizontal linear vibration device
WO2010050285A1 (fr) * 2008-10-28 2010-05-06 三洋電機株式会社 Moteur linéaire et dispositif mobile à moteur linéaire
US20130200732A1 (en) * 2012-02-07 2013-08-08 Lg Electronics Inc. Vibration motor and mobile terminal having the same
WO2014207842A1 (fr) * 2013-06-26 2014-12-31 富士通株式会社 Dispositif d'activation, dispositif électronique, et programme de commande d'activation
WO2015023670A1 (fr) * 2013-08-13 2015-02-19 Coactive Drive Corporation Guidage haptique différentiel pour navigation personnelle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017130936A1 (fr) * 2016-01-29 2017-08-03 日本電産サンキョー株式会社 Actionneur
JP6429100B1 (ja) * 2017-11-17 2018-11-28 エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． リニア振動モータ
JP2019097374A (ja) * 2017-11-17 2019-06-20 エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． リニア振動モータ

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Publication number Publication date
JP2016182569A (ja) 2016-10-20
CN207746087U (zh) 2018-08-21

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